Answer:
Mean or Expected Value:
μ
=
∑
x
i
n
X
x
P
(
x
)
Standard Deviation:
σ
=
√
∑
x
i
n
X
(
x
−
μ
)
2
P
(
x
)
Step-by-step explanation:
It decreases by 0.5
The original mean was 5.5
The new mean is 5
Answer:
$290
Step-by-step explanation:
if minimum wage is $7.25
7.25×40= 290
Half a book each month!!! have a good day!
